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For more than 68 years, ATAG boilers have been building boilers to the very highest technical excellence for homes worldwide. We pride ourselves on our manufacturing experience, meaning our ultra-efficient boilers deliver real savings to homeowners’ energy bills. Every ATAG boiler is full of grade A metal and brass components. ATAG’s commitment to quality means we offer a unique lifetime replacement guarantee on our iCon heat exchanger as standard with each boiler.

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Leading the way in efficiency and heating technology

The ATAG philosophy is ‘built to last’. ATAG boilers are the most energy efficient in Europe and they’re all made from quality brass and stainless steel components.

In 2005, ATAG engineers designed the industry-leading iCon Heat Exchanger. It now comes in every ATAG boiler, ensuring 98% efficiency. In fact, we believe so strongly in our design and technology that the iCon Heat Exchanger carries a lifetime replacement guarantee for your customers.

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ATAG understand that the safety of you and your family in your home is paramount. That’s why ATAG are stamping out illegal and unsafe gas works in the UK by only supplying our products to carefully selected Gas Safe Registered installers,  ATAG Selected Partners. They are the only manufacturer in the UK to operate with this policy.

For more information on the ATAG boiler range, please visit the ATAG boiler website

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This enhancer drives high-amplitude mRNA cycling under light-dark-cycling or constant-dark conditions, and this activity is per protein (PER) dependent. An E-box sequence within this 69-bp fragment is necessary for high-level expression, but not buy generic viagra online for rhythmic expression, indicating that PER mediates circadian transcription through other sequences in this fragment. R- cells, a line of mouse embryo fibroblasts with a targeted disruption of the insulin-like growth factor I (IGF-I) receptor genes, are refractory to transformation by several viral and cellular oncogenes. Using colony formation in soft agar as a measure of full transformation, we report here that R- cells can be transformed by v-src, although they still cannot be transformed by the activated c-src527 (mutation at tyrosine 527 to phenylalanine which readily transforms mouse embryo cells. Although v-src is a more potent inducer of tyrosine phosphorylation than c-src527, the extent of phosphorylation of either insulin receptor substrate 1 or Shc, two of the major substrates of the IGF-I receptor, does not seem sufficiently different to explain the qualitative difference in soft. V-src, however, is considerably more efficient than c-src527 in its ability to tyrosyl phosphorylate, in R- cells, the focal adhesion kinase, Stat1, and p130cas. These results indicate that v-src, but not c-src527, can bypass the requirement for a functional IGF-I receptor in the full transformation of mouse embryo fibroblasts and suggest that qualitative and quantitative differences between the two oncogenes can be used to identify some of the signals. We previously showed in vivo that coding-end processing is specific for each coding end, suggesting that specific motifs in a coding-end sequence influence nucleotide deletion and P-region formation. In this study, we created a panel of recombination substrates containing actual immunoglobulin and T-cell receptor coding-end sequences and dissected the role of each motif by comparing its processing pattern with those of variants containing minimal nucleotide changes from the original sequence. Our results demonstrate the determinant role of specific sequence motifs on coding-end processing and also the importance of the context in which they are found. We propose that each coding-end sequence dictates a unique hairpin structure, the result of a particular energy conformation between nucleotides organizing the loop and the stem, and that the interplay between this structure and specific sequence motifs influences the frequency and location of nicks which. These findings indicate that the sequences of the coding ends determine their own processing and have a profound impact on the development of the primary B- and T-cell repertoires. The transcription factor E2F-1 interacts stably with cyclin A via a small domain near its amino terminus and is negatively regulated by the cyclin A-dependent kinases. Thus, the activities of E2F, a family of transcription factors involved in cell proliferation, are regulated by at least two types of cell growth regulators: the retinoblastoma protein family and the cyclin-dependent kinase family. To investigate further the regulation of E2F by cyclin-dependent kinases, we have extended our studies to include additional cyclins and E2F family members. Using purified components in an in vitro system, we show that the E2F-1-DP-1 heterodimer, the functionally active form of the E2F activity, is not a substrate for the active cyclin D-dependent kinases but is efficiently phosphorylated by the cyclin B-dependent kinases, which do not form. Phosphorylation of the E2F-1-DP-1 heterodimer by cyclin B-dependent kinases, however, did not result in down-regulation of its DNA-binding activity, as is readily seen after phosphorylation by cyclin A-dependent kinases, suggesting that phosphorylation per se is not sufficient to regulate E2F DNA-binding activity. Depending on the pH of the growth medium, the yeast Yarrowia lipolytica secretes both an acidic proteinase and an alkaline proteinase, the synthesis of which is also controlled by carbon, nitrogen, and sulfur availability, as well as by the presence of extracellular proteins. Saccharomyces cerevisiae transcription factor GAL4 revealed that their transactivation domain was contained within the N-terminal region (amino acids 1 to 79). Detailed mutagenesis of this region indicated that transactivation is mediated by three highly conserved sequences, spanning amino acids 13 to 22 (subdomain A 32 to 38 (subdomain B and 60 to 73 (subdomain C). Furthermore, possible correlations between white matter lesion scores, ventricular width, and age were investigated. Normal-pressure hydrocephalus (NPH) is a potentially treatable syndrome with abnormal cerebrospinal fluid dynamics. Meningeal fibrosis and/or obliteration of the subarachnoid space has been suggested as the pathoanatomic basis. The purpose of the present study was to investigate whether meningeal fibrosis causes increased resistance to cerebrospinal fluid outflow (R(out) and/or increased B-wave activity and whether pathological changes in the brain parenchyma after brain compliance, causing increased B-wave activity. The study involved a group of 38 consecutively studied patients with clinical and radiological evidence of idiopathic NPH, for whom a frontal brain biopsy was obtained. For 29 patients, hydrodynamic criteria of NPH were fulfilled and a ventriculoperitoneal shunt was performed. The dosimetry was characterized by two independent methods: thermoluminescent dosimeters and radiochromic film. The results suggest that leptomeningeal fibrosis is not the only pathoanatomic basis of increased R(out) and/or B-wave activity in patients with NPH and that various degenerative changes in the parenchyma may be responsible for the altered cerebrospinal fluid dynamics characteristic of NPH. The purpose of this study was to determine the efficacy of spinal cord stimulation (SCS) in patients with symptoms of reflex sympathetic dystrophy (RSD buy generic viagra online a disabling clinical condition with significant consequences of morbidity and loss of productivity. We have used epidural SCS for pain control during the past 15 years. An analysis of our records revealed 12 consecutive patients diagnosed as having RSD before undergoing SCS. Eight of the 12 patients had undergone previous ablative sympathectomy. All 12 patients experienced relief of pain after trial stimulation and had their systems permanently implanted. At an average of 41 months follow-up, all patients were using their stimulators regularly and only two were receiving adjunctive minor pain medication. The level of pain present pre- and postoperatively was determined by administering a modified McGill Pain Questionnaire and a visual analog scale to each patient.

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Firstly, we’ll make sure an ATAG boiler suits your needs and advise you on the type of work required, completely free of charge. We’ll then send you an itemised quotation for your consideration describing what we propose and the costs involved. You are then free to add or remove any optional items to suit you.

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As an ATAG selected partner, we can offer you ATAG boilers that are unavailable to other installers. We’ve also been fully trained on ATAG products and have access to extended warranties and other promotions that other installers may not.

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Our ethos is to do a job once and do it right. We only install ATAG boilers to the highest standards to ensure trouble free operation for years to come. All our recommendations are designed to benefit you and your new ATAG boiler.

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We are the ATAG service agent for Plymouth and surrounding areas. We stock all spare parts for the ATAG boiler range and are trained to complete annual ATAG boiler servicing and repairs to the manufacturers’ requirements.